<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>弹性盒练习</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        ul {
            list-style: none;
            display: flex;
        }
        .center {
            width: 1000px;
            margin: 0 auto;
        }
        .server {
            background-color: #e8e8e8;
        }
        ul li {
            width: 250px;
            text-align: center;
            margin: 50px 0;
        }
    </style>
</head>
<body>
    <div class="server">
        <div class="center">
           <!-- ul>li*4>img+p -->
           <ul>
              <li>
                 <img src="image/icon1.png">
                 <p>品质保障</p>
              </li>
              <li>
                 <img src="image/icon2.png">
                 <p>私人订制</p>
              </li>
              <li>
                 <img src="image/icon3.png">
                 <p>学员特供</p>
              </li>
              <li>
                 <img src="image/icon4.png">
                 <p>专属特权</p>
              </li>
           </ul>
        </div>
     </div>
</body>
</html>